A formaldehyde detection film sticker and its application method
A formaldehyde, film sticking technology, applied in measuring devices, film/sheet adhesives, analysis by chemical reaction of materials, etc., can solve the problem of poor probe molecular wrapping performance and inability to ensure nanoparticle stability And other issues
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Embodiment 1
[0033] (1) Synthetic probe molecule KD-XA01
[0034] Dissolve 3.24g of 1-phenyl-1,3-butanedione in 60ml of benzene, add 3.08g of ammonium acetate and 1ml of acetic acid, reflux at 80°C for 12 hours in a nitrogen atmosphere to obtain the product, wash and dry the reactant, and Solvent was removed.
[0035] (2) Synthesis of ternary photocrosslinkable random copolymer P(St-co-VM-co-AMPS)
[0036] Dissolve 7.8g of AMPS monomer, 2.4g of styrene St, and 1.2g of VM monomer in 15ml of DMF, stir to pass N2, add AET0.34g and AIBN0.16g after 15min, and pass N2 for 15min, then seal the bottle mouth, and transfer to 70℃ In an oil bath, after 8 hours of reaction, the cup substrate was precipitated in acetone, dissolved in water, dialyzed and freeze-dried to obtain the copolymer P(St-co-VM-co-AMPS).
[0037] (3) Preparation of nanoparticle solution
[0038] Weigh 0.03g of KD-XA01, dissolve it in 10ml of DMF, weigh 5mg of polymer P(St-co-VM-co-AMPS), dissolve it in 100ml of water, slowly a...
Embodiment 2
[0044] The pH in step (5) in Example 1 is set to 3.65, and the others remain unchanged.
Embodiment 3
[0046] The pH in step (5) in Example 1 is set to 4.68, and the others are all unchanged.
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